Home / 156,238.41-215,608.93-84,618.43

Finding the Fourth Proportional to 156,238.41, 215,608.93 and 84,618.43

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Solution

The fourth proportional to 156,238.41, 215,608.93 and 84,618.43 is: 116,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,238.41 : 215,608.93 = 84,618.43 : x
  2. Step 2: Convert to fraction form
    156,238.41/215,608.93 = 84,618.43/x
  3. Step 3: Cross multiply
    156,238.41x = 215,608.93 × 84,618.43
  4. Step 4: Simplify right side
    156,238.41x = 18,244,489,150.58
  5. Step 5: Solve for x
    x = 18,244,489,150.58/156,238.41
  6. Step 6: Final answer
    x = 116,773.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.